diff -up ./cmake/internal/FindOS.cmake.libdir ./cmake/internal/FindOS.cmake
--- ./cmake/internal/FindOS.cmake.libdir	2017-08-09 20:26:08.621237825 -0400
+++ ./cmake/internal/FindOS.cmake	2017-08-09 20:26:51.092514889 -0400
@@ -58,14 +58,14 @@ ENDIF (PROJECT_OS_LINUX)
 # 	SET (PROJECT_PROC_64BIT TRUE BOOL INTERNAL)
 #     ENDIF (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64")
 # ENDIF (PROJECT_OS_LINUX)
-
+include(GNUInstallDirs)
 # IF(PROJECT_PROC_64BIT)
     # Set the install path to lib64
     # SET(PROJECT_LIB_DIR "lib64")
     # SET(PROJECT_PLUGIN_DIR "lib64/${PROJECT_NAME}-${APIVERSION}")
 # ELSE (PROJECT_PROC_64BIT)
-    SET(PROJECT_LIB_DIR "lib")
-    SET(PROJECT_PLUGIN_DIR "lib/${PROJECT_NAME}-${APIVERSION}")
+SET(PROJECT_LIB_DIR ${CMAKE_INSTALL_LIBDIR})
+SET(PROJECT_PLUGIN_DIR "${PROJECT_LIB_DIR}/${PROJECT_NAME}-${APIVERSION}")
 # ENDIF (PROJECT_PROC_64BIT)
 
 MESSAGE(STATUS "Installing Libraries to ${CMAKE_INSTALL_PREFIX}/${PROJECT_LIB_DIR}")